tsacdop-podcast-app-android/lib/home/preview.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:video_player/video_player.dart';

import '../util/context_extension.dart';

class ClipPreview extends StatefulWidget {
  final String filePath;
  ClipPreview({this.filePath, Key key}) : super(key: key);

  @override
  _ClipPreviewState createState() => _ClipPreviewState();
}

class _ClipPreviewState extends State<ClipPreview> {
  VideoPlayerController _controller;
  @override
  void initState() {
    super.initState();
    _controller = VideoPlayerController.file(File(widget.filePath))
      ..initialize().then((_) {
        setState(() {});
      });
  }

  @override
  void dispose() {
    super.dispose();
    _controller.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return AnnotatedRegion<SystemUiOverlayStyle>(
      value: SystemUiOverlayStyle(
        statusBarIconBrightness: Brightness.light,
        systemNavigationBarColor: Colors.black,
        systemNavigationBarIconBrightness: Brightness.dark,
      ),
      child: Scaffold(
        appBar: AppBar(backgroundColor: Colors.black),
        backgroundColor: Colors.black,
        body: Center(
          child: _controller.value.initialized
              ? AspectRatio(
                  aspectRatio: _controller.value.aspectRatio,
                  child: VideoPlayer(_controller),
                )
              : Container(),
        ),
        floatingActionButton: FloatingActionButton(
          backgroundColor: context.accentColor,
          onPressed: () {
            setState(() {
              _controller.value.isPlaying
                  ? _controller.pause()
                  : _controller.play();
            });
          },
          child: Icon(
            _controller.value.isPlaying ? Icons.pause : Icons.play_arrow,
          ),
        ),
      ),
    );
  }
}